package booroo;

public class HelloWorld {

	public static void main(String[] args) {
      System.out.println("hello");
      System.out.println("WoW");
      System.out.println("\"시간은 금이라구,친구!!\"");
      
      //Promotion 승격
      byte x=5;  //byte는 1~128
      byte y=(byte)-x;
      
	}

}
